Chaen Chia Fasteners logo Chaen ChiaFASTENERS · SINCE 1993
Structural Wood Screws

Flat Countersunk Head Wood Screws with Serrations

Diameter
Ø 3.5 mm – 12 mm
Length
30 mm – 600 mm
Material
Stainless / Carbon Steel
Surface Finish
Zinc / Eco Coating
02 Product Core Features

Engineered details.

F.01

TX Flat Countersunk Head with 6 Ribs

Self-countersinking for a perfect fit — clean, flush finishes.

F.02

Middle Knurlings

Reduce driving friction and prevent wood splitting.

F.03

Asy Thread & Sharp Point

Fast entry without pre-drilling.

F.04

High Strength

Excellent torsional strength for demanding joints.

Wood Types

  • Soft wood (pine, spruce)
  • Hard wood (oak, beech)
  • Engineered wood (CLT, Glulam)

Application

  • Heavy timber frame structures
  • Roof truss installation
  • Main & secondary beam structures

Certification

  • CE EN14592
  • ETA Compatible
  • ISO Standard
02.D Technical Drawing

Geometry & dimensions.

Technical drawing — Flat Countersunk Head Wood Screws with Serrations
02.S Catalog Sheet

Full specification sheet.

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Catalog specification sheet — Flat Countersunk Head Wood Screws with Serrations